18406661

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2437}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 22936704

約数和(自身を除く): 4530043

約数列:

[1, 7, 13, 83, 91, 581, 1079, 2437, 7553, 17059, 31681, 202271, 221767, 1415897, 2629523, 18406661]

約数ペア:

[(1, 18406661), (7, 2629523), (13, 1415897), (83, 221767), (91, 202271), (581, 31681), (1079, 17059), (2437, 7553)]